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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(DFG_JIT)
#include "Structure.h"
namespace JSC { namespace DFG {
class Graph;
class RegisteredStructure {
public:
RegisteredStructure() = default;
ALWAYS_INLINE Structure* get() const { return m_structure; }
Structure* operator->() const { return get(); }
bool operator==(const RegisteredStructure& other) const
{
return get() == other.get();
}
bool operator!=(const RegisteredStructure& other) const
{
return !(*this == other);
}
explicit operator bool() const
{
return !!get();
}
private:
friend class Graph;
RegisteredStructure(Structure* structure)
: m_structure(structure)
{
ASSERT(structure);
}
static RegisteredStructure createPrivate(Structure* structure)
{
return RegisteredStructure(structure);
}
Structure* m_structure { nullptr };
};
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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